(check-x-vs-1): New target.

(check-local): Depend on check-x-vs-1.

diff --git a/man/Makefile.am b/man/Makefile.am
index b73df92097faa4f2e1a5e0ca2be1a2ba519b2733..c139fb7b4938e5e6b1c421191c2fb8b73aceeaf8 100644 (file)
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in -*-Makefile-*-
 dist_man_MANS = \
-  cat.1 cksum.1 comm.1 csplit.1 cut.1 expand.1 fmt.1 \
+  cksum.1 comm.1 csplit.1 cut.1 expand.1 fmt.1 \
   fold.1 head.1 join.1 md5sum.1 nl.1 od.1 paste.1 pr.1 ptx.1 \
   sha1sum.1 sort.1 split.1 sum.1 \
   tac.1 tail.1 tr.1 tsort.1 unexpand.1 uniq.1 wc.1 \
@@ -128,3 +128,15 @@ mapped_name = `echo $*|sed 's/install/ginstall/'`
            --include=$(srcdir)/$*.x            \
            --output=$@ $t/$*;                  \
        rm -rf $t
+
+check-local: check-x-vs-1
+
+# Ensure that for each .x file in this directory, there is a
+# corresponding .1 file in the definition of $(dist_man_MANS) above.
+.PHONY: check-x-vs-1
+check-x-vs-1:
+       t=ls-files.$$$$;                                                \
+       ls -1 *.x | sed 's/\.x$$//' | sort > $$t;                       \
+       echo $(dist_man_MANS) | fmt -w1 | sed 's/\.1$$//' | sort -u     \
+         | diff - $$t || { rm $$t; exit 1; };                          \
+       rm $$t